Wilber. New Directions in Development Ethics. University of Notre Dame Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilber. New Directions in Development Ethics. University of Notre Dame Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilber. New Directions in Development Ethics. University of Notre Dame Press.
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